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223b17ed76
On Qcom UFS platforms, the reset control line seems to be optional (for SoCs like MSM8996 and probably for others too). The current logic tries to mimic the devm_reset_control_get_optional() API but it also continues the probe if there is an error with the declared reset line in DT/ACPI. In an ideal case, if the reset line is not declared in DT/ACPI, the probe should continue. But if there is problem in acquiring the declared reset line (like EPROBE_DEFER) it should fail and return the appropriate error code. Link: https://lore.kernel.org/r/20220504084212.11605-2-manivannan.sadhasivam@linaro.org Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Reviewed-by: Andrew Halaney <ahalaney@redhat.com> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.